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Tag: "created" at biology news

Study of protein folds offers insight into metabolic evolution

... of protein fold architectures in metabolism. They created a new database, called the Molecular Ancestry Network (MANET: http://www.manet.uiuc.edu/index.php ) which links these data sources into a new global network diagram of metabolic pathways. The researchers added color, representing evolutionary ag...

Brain maps online

...ogs, cats, mice, birds and other animals have been created and posted online by researchers at the UC Davis Center for Neuroscience. BrainMaps.org features the highest resolution whole-brain atlases ever constructed, with over 50 terabytes of brain image data directly accessible online. Users can explore...

UCLA study uncovers clues for why Graves' disease attacks the eyes

...e them. "We didn’t know why GD patients?cells created a new antibody, but had a hunch that that it sprang from an immune abnormality," explained Dr. Raymond Douglas, first author and assistant professor of ophthalmology at the Jules Stein Eye Institute. "Because T-cells are the generals of the immune s...

MIT's ocean model captures diversity of underwater forests

Scientists at MIT have created an ocean model so realistic that the virtual forests of diverse microscopic plants they "sowed" have grown in population patterns that precisely mimic their real-world counterparts. This model of the ocean is the first to reflect the vast diversity ...

NIAID expands capability for influenza research and surveillance

...to infection with the virus. The goal of the newly created centers is to provide the federal government with important information to inform public health strategies for controlling and lessening the impact of seasonal influenza as well as an influenza pandemic. “The threat of an influenza pandemic is a maj...

Bones in motion: Brown scientists to create new 3-D X-ray system

... combine CT scanner data with X-ray images. Images created using this technique ?the forerunner of CTX ?can be viewed at http://brown.edu/ctx/ ...

2 brains -- 1 thought

... Memmesheimer. "Any given dynamics can normally be created by a variety of different networks. We have developed a method to mathematically pin down this diversity." This procedure resembles juggling with many unknown quantities and requires great computational power. Already in a network of 1000 neurons (wh...

Paper challenges 1491 Amazonian population theories

...tions settled in large numbers across Amazonia and created the modern forest setting that many conservationists take to be ‘natural.' This view has become fashionable among many archaeologists and anthropologists, and is challenged in a recent paper from Dr. Mark Bush of the Florida Institute of Technology....

UC Davis researchers use heated nanoprobes to destroy breast cancer cells in mice

...problem. The experimental system uses bioprobes created by wedding magnetized iron-oxide nanospheres to radiolabeled monoclonal antibodies. The bioprobes are cloaked in polymers and sugars that render them nearly invisible to the body's immune system. DeNardo and her colleagues infused trillions of the...

Changes in amino acids in the 1918 influenza virus cut transmission

...uman tissue, and the third, which was artificially created in a laboratory and made to look like avian flu. One virus bound to only alpha-2,6, the second bound to both, and the artificially-generated virus bound to only alpha-2,3. The researchers were surprised to discover that the ferrets infected with ...

Brown cancer biologists identify major player in cell growth

...d to find out. So he and members of his laboratory created mice that carried a mutation -- tiny DNA sequences were inserted into their GABP-making gene. These DNA bits would serve as a time bomb of sorts, deleting a critical piece of the gene when given a chemical signal. From these mice, Rosmarin and his...

MIT model helps researchers 'see' brain development

...d using magnetic resonance (MR) imaging, they have created a set of tools for tracking and measuring these fo...nly the coarsest folds. By adding more points, she created increasingly finer-grained domains of smaller, higher-resolution folds. Finally, Yu modeled biolo...

Woven scaffolds could improve cartilage repair

...n, Duke University Medical Center researchers have created a three-dimensional fabric "scaffold" that could g...sts, the fabric scaffold that the researchers have created had the same mechanical properties as native cartilage. In the near future, surgeons will be able to...

'Guardian of the genome' protein found to underlie skin tanning

...a mystery. Investigators knew that alpha-MSH is created when another protein, known as pro-opiomelanocortin (or POMC), is split apart. They also knew that the amount of POMC within cells rises sharply when they're exposed to UV rays. But they didn't know what caused the POMC to increase. One possibilit...

Scientists learn the origin of rogue B cells

...into the cells of laboratory mice, the researchers created a model for visualizing the process in live animals. "Most of what scientists do is to create systems to visualize complex phenomena, then to allow nature to give you the answers to your questions," says Casellas. Their new findings raise the ques...

Remote sheep population resists genetic drift

...in the Indian Ocean 50 years ago has inadvertently created a laboratory for genetic researchers and led to a surprising discovery. A mouflon population, bred over dozens of generations from a single male and female pair transplanted to Haute Island from a Parisian zoo, has maintained the genetic diversity o...

Hybrid molecule causes cancer cells to self-destruct

...etyl-D-mannosamine, or ManNAc, for short. The team created a hybrid molecule by linking ManNAc with butyrate. The hybrid easily penetrates a cell's surface, then is split apart by enzymes inside the cell. Once inside the cell, ManNAc is processed into another sugar known as sialic acid that plays key roles i...

When your brain talks, your muscles don't always listen

...sing an experimental apparatus he and his students created in UD's Human Performance Lab, Knight has been examining muscular force on a very small scale in the index finger, specifically, the first dorsal interosseous muscle. Located between the index finger and the thumb, this muscle contains 120 "motor uni...

Stem cells act through multiple mechanisms to benefit mice with neurodegenerative disease

...rative mechanisms. Neither type of human stem cell created tumors, deformation, a worsening of symptoms, or gave rise to inappropriate cells types. Neither cell type was rejected by the immune system. In fact, no immunosuppression was needed at all. Finally, the human embryonic stem cells were grown without ...

Synthetic peptide targets latent papilloma virus infections

...eads as these cells divide. The UC Berkeley team created a protein fragment, or peptide, that successfully ... that HPV works the same way. The UC Berkeley team created a short peptide that binds to E2 in hopes that this synthetic peptide would prevent E2, and thus the...

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